Chronology file name : CO537.CRN Measurement file name : CO537.RWL Date checked : 29JUL96 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1797 Ending year : 1987 Principal investigators: DONALD A. GRAYBILL Site name : HORSETOOTH RESERVATION Site location : COLORADO, USA Species information : PSME DOUGLAS-FIR Latitude : 4032N Longitude : 10512W Elevation : 2097 M Series intercorrelation: 0.682 Avg mean sensitivity : 0.330 Avg standard deviation : 0.639 Avg autocorrelation : 0.650 Number dated series : 22 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 Are there obvious misdated series? NO Number possible misdated series : N/A Percent misdated series : 0.00 Do they affect chronology quality? N/A Recommend withhold from ITRDB? N/A Comments: EXCELLENT HIGH QUALITY CHRONOLOGY PART 5: CORRELATION OF SERIES BY SEGMENTS: 22:07 Mon 29 JUL 1996 Page 5 ----------------------------------------------------------------------------------------------------------------------------------- Correlations of 50-year dated segments, lagged 25 years Flags: A = correlation under 0.3281 but highest as dated; B = correlation higher at other than dated position Seq Series Time_span 1800 1825 1850 1875 1900 1925 1950 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 HTF011 1876 1987 .78 .81 .84 .87 2 HTF012 1867 1987 .62 .70 .74 .80 .80 3 HTF021 1895 1987 .71 .78 .90 .76 4 HTF022 1893 1987 .69 .75 .88 .78 5 HTF031 1844 1987 .61 .71 .69 .74 .56 .52 6 HTF032 1848 1987 .62 .65 .49 .61 .72 .71 7 HTF041 1855 1987 .50 .64 .83 .82 .79 8 HTF042 1896 1987 .80 .81 .79 .73 9 HTF051 1848 1987 .63 .61 .64 .78 .79 .79 10 HTF052 1867 1987 .57 .60 .77 .79 .76 11 HTF061 1823 1987 .73 .72 .57 .51 .77 .80 .73 12 HTF062 1826 1987 .77 .69 .68 .86 .77 .66 13 HTF071 1832 1987 .81 .79 .62 .61 .74 .59 14 HTF072 1832 1987 .81 .84 .69 .73 .80 .53 15 HTF081 1883 1987 .60 .74 .83 .78 16 HTF082 1883 1987 .63 .71 .79 .77 17 HTF091 1802 1987 .61 .70 .73 .72 .56 .62 .56 18 HTF092 1797 1987 .60 .71 .68 .74 .62 .68 .59 19 HTF101 1861 1987 .60 .58 .71 .75 .68 20 HTF102 1876 1987 .59 .70 .62 .58 21 HTF111 1802 1987 .73 .78 .70 .54 .70 .76 .65 22 HTF112 1800 1987 .65 .74 .62 .49 .65 .72 .68 PART 7: DESCRIPTIVE STATISTICS: 22:07 Mon 29 JUL 1996 Page 6 ----------------------------------------------------------------------------------------------------------------------------------- Corr //-------- Unfiltered --------\\ //---- Filtered -----\\ No. No. No. with Mean Max Std Auto Mean Max Std Auto AR Seq Series Interval Years Segmt Flags Master msmt msmt dev corr sens value dev corr () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 1 HTF011 1876 1987 112 4 0 0.807 1.83 4.80 0.804 0.564 0.342 2.16 0.435 -0.026 1 2 HTF012 1867 1987 121 5 0 0.746 1.83 4.07 0.851 0.586 0.364 2.04 0.440 -0.011 1 3 HTF021 1895 1987 93 4 0 0.712 2.06 4.44 0.840 0.670 0.270 1.87 0.346 -0.052 1 4 HTF022 1893 1987 95 4 0 0.729 2.02 4.28 0.702 0.602 0.258 1.93 0.374 -0.038 1 5 HTF031 1844 1987 144 6 0 0.604 1.36 3.70 0.697 0.526 0.387 2.23 0.382 0.000 2 6 HTF032 1848 1987 140 6 0 0.637 1.38 4.14 0.682 0.319 0.445 2.21 0.424 -0.001 2 7 HTF041 1855 1987 133 5 0 0.691 1.23 3.12 0.573 0.463 0.367 2.13 0.342 0.008 1 8 HTF042 1896 1987 92 4 0 0.755 1.51 4.59 0.770 0.476 0.370 2.01 0.379 -0.049 1 9 HTF051 1848 1987 140 6 0 0.718 0.85 1.78 0.372 0.409 0.387 2.01 0.354 0.018 2 10 HTF052 1867 1987 121 5 0 0.711 1.08 2.88 0.498 0.365 0.431 2.02 0.370 0.032 2 11 HTF061 1823 1987 165 7 0 0.670 1.17 3.18 0.670 0.856 0.239 1.96 0.324 -0.023 1 12 HTF062 1826 1987 162 6 0 0.722 1.03 2.17 0.465 0.750 0.260 1.99 0.313 -0.027 1 13 HTF071 1832 1987 156 6 0 0.664 0.90 2.84 0.533 0.750 0.291 2.10 0.404 -0.002 1 14 HTF072 1832 1987 156 6 0 0.690 0.94 2.60 0.492 0.730 0.301 1.96 0.339 -0.068 1 15 HTF081 1883 1987 105 4 0 0.692 0.80 2.20 0.420 0.758 0.300 1.99 0.363 -0.043 1 16 HTF082 1883 1987 105 4 0 0.697 1.11 3.87 0.885 0.869 0.298 2.04 0.385 -0.071 1 17 HTF091 1802 1987 186 7 0 0.628 1.13 3.89 0.992 0.866 0.284 2.02 0.336 -0.005 1 18 HTF092 1797 1987 191 7 0 0.631 1.16 4.10 0.972 0.874 0.326 2.09 0.372 -0.041 1 19 HTF101 1861 1987 127 5 0 0.694 1.07 3.31 0.473 0.542 0.290 2.15 0.434 -0.073 1 20 HTF102 1876 1987 112 4 0 0.591 0.84 1.94 0.357 0.460 0.314 1.98 0.300 -0.031 1 21 HTF111 1802 1987 186 7 0 0.697 0.70 3.10 0.449 0.728 0.362 2.37 0.358 0.015 1 22 HTF112 1800 1987 188 7 0 0.644 0.90 2.85 0.562 0.739 0.372 2.12 0.364 0.010 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 3030 119 0 0.682 1.17 4.80 0.639 0.650 0.330 2.37 0.368 -0.019